<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
</body>
<script type="text/javascript">
(function(){
	alert("01_各种JS对象.html");
})();
alert("X1 : "+typeof(X1));
var X2;alert("X2 : "+typeof(X2));
var X3=null;alert("X3 : "+typeof(X3));
var X4=[X2,X3];alert("X4 : "+typeof(X4));
var X5= function(){alert("X5被执行了")} ;alert("X5 : "+typeof(X5));
var X6= new X5() ;alert("X6 : "+typeof(X6));
var X7= X5() ;alert("X7 : "+typeof(X7));
var X8= true ;alert("X8 : "+typeof(X8));
var X9= "asds" ;alert("X9 : "+typeof(X9));
//
</script>
</html>